text: 20 May 2016 Last updated at 12:40 BST
  They adopted him and he came into the studio for a live interview with his owner who has written a book about it.
  Arthur's adventurous spirit came out though, he wouldn't sit still and left the sofa to explore the studio.
  Here are his best bits.
target: Stray dog Arthur crossed the Amazon river in South America to follow Swedish explorers who befriended him.